#include<iostream>
#include<string>

using namespace std;

int main()
{

    string str;
    cin>>str;
    int k;
    for(char s:str)
    {
        if(s-'0'>=0&&s-'9'<=0)
        {
           k++; 
        }
    }
    // std::cout << k << std::endl;
    str.resize(str.size()+k*5);
    cout << str.size()<<endl;
    auto right = str.end()-1;
    auto left = str.end()-1-k*5;
    string addstr = "number";
    while(left-str.begin()>=0)
    {
        if(*left-'0'>=0&&*left-'9'<=0)
        {
            auto it = addstr.end()-1;
            while(it-addstr.begin()>=0)
            {
                *right = *it;
                right--;
                it--;
            }
        }
        else
        {
            *right = *left;
            right--;
        }
        
        if(left-str.begin()==0)
            break;
        else
            left--;
    }
    cout << str;
    return 0;
}